Laminin is a crucial, cross-shaped glycoprotein in the extracellular matrix, forming the structural backbone of basement membranes, vital for cell adhesion, survival, migration, and differentiation, essential for tissue development, organ formation, and wound healing by bridging cells to their environment, with various isoforms containing α, β, and γ chains. 

Key Functions
Structural Support: Forms a scaffold, holding cells, tissues, and organs together. 
Cell Adhesion & Communication: Helps cells attach to each other and their environment and relays signals. 
Regulates Cell Behavior: Influences cell growth, migration, differentiation, and survival. 
Tissue Homeostasis: Maintains normal tissue function and shape. 
Wound Healing: Involved in repairing damaged tissues

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